10 September 2010 All-optical nonlinear switches based on Y-shaped plasmonic waveguides
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We introduce extremely compact all-optical nonlinear switches based on Y-shaped plasmonic waveguides. We consider a Y-shaped structure, consisting of a subwavelength metal-dielectric-metal input waveguide branch connected to two metal-dielectric-metal output waveguide branches. The Y-shaped channel is embedded in a metallic film and filled with a Kerr nonlinear material. We show that such a device can be designed to function as a switch between the two output branches, controlled by the intensity of the incident light. We also show that the Y-shaped plasmonic structure can be used as a tunable optical splitter.
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Changjun Min, Changjun Min, Georgios Veronis, Georgios Veronis, } "All-optical nonlinear switches based on Y-shaped plasmonic waveguides", Proc. SPIE 7756, Active Photonic Materials III, 775612 (10 September 2010); doi: 10.1117/12.861086; https://doi.org/10.1117/12.861086

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